JSFiddle - React, Tailwind, and code Playground

HTML

<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>
<div class="chart"></div>

CSS

.chart {
    border: 3px solid black;
    width: 50px;
    height: 25px;
}

.chart:nth-child(8n) {
    background-color: yellow;
    page-break-after: always;
}